Special Limited Time Offer!
Get your FREE CD-ROM, and a $5.00 Amazon Gift Certificate!!
The most advanced, powerful, and comprehensive stormwater and wastewater modeling package available.


  • Supports Rational, Modified Rational, Santa Barbara Unit Hydrogaph Methods, as well as TR-20, TR-55 and SWMM hydrology methods
  • Completely new advanced graphics, allowing you to easily compare existing versus proposed conditions
  • Interconnected Detention Pond Routing
  • Automated Pond Sizing
  • Advanced Hydrology & Hydraulic Modeling Capability
  • Easy to use Model Development
  • Sophisticated Stormwater Network Analysis Components
  • Water Quality Modeling Capability
  • Supports CAD (DXF, DWG, and DGN files)
  • Imports/Export to/from ArcGIS, SWMM5
  • Multiple database queries
  • and much more...

As a special offer to our United States and Canadian customers, we are offering a FREE trial- CD-ROM, and a $5.00 Amazon gift certificate to qualified engineers!*
*while quantities last